oleum

[ oh-lee-uh m ]
/ ˈoʊ li əm /
|

noun, plural o·le·a [oh-lee-uh] /ˈoʊ li ə/ for 1, o·le·ums for 2.

Pharmacology. oil.
Chemistry. pyrosulfuric acid.

Nearby words

  1. oleoresin,
  2. oleoresinous,
  3. olericulture,
  4. olestra,
  5. olethreutid,
  6. oleyl alcohol,
  7. olfaction,
  8. olfactometer,
  9. olfactometry,
  10. olfactory

Origin of oleum

1900–05; < Latin: oil

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for olea


British Dictionary definitions for olea

olea

/ (ˈəʊlɪə) /

noun

a plural of oleum

oleum

/ (ˈəʊlɪəm) /

noun plural olea (ˈəʊlɪə) or oleums

another name for fuming sulphuric acid

Word Origin for oleum

from Latin: oil, referring to its oily consistency

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012